<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>初始js</title>
</head>
<body>
    <div>
        网页结构内容
    </div>
    
</body>
</html>
<script>
    alert("这是一个弹窗！")
//    while(ture){
    //    console.log("1")
//    }
</script>
<!-- 外部引入js文件-->
<script src="./index.js"></script>

